4 files changed, 25 insertions, 8 deletions

diff --git a/src/include/gpxe/device.h b/src/include/gpxe/device.h
index caabdae5..f40cc95a 100644
--- a/src/include/gpxe/device.h
+++ b/src/include/gpxe/device.h
@@ -105,7 +105,4 @@ struct root_driver {
 /** Declare a root device */
 #define __root_device __table ( struct root_device, root_devices, 01 )
 
-extern int probe_devices ( void );
-extern void remove_devices ( void );
-
 #endif /* _GPXE_DEVICE_H */
diff --git a/src/include/gpxe/dhcp.h b/src/include/gpxe/dhcp.h
index 61445977..1c9c49fa 100644
--- a/src/include/gpxe/dhcp.h
+++ b/src/include/gpxe/dhcp.h
@@ -164,7 +164,7 @@ struct dhcp_packet;
  * priority of multiple option blocks (e.g. options from non-volatile
  * storage versus options from a DHCP server).
  */
-#define DHCP_EB_PRIORITY DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 1 )
+#define DHCP_EB_PRIORITY DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0x01 )
 
 /** "Your" IP address
  *
@@ -172,7 +172,7 @@ struct dhcp_packet;
  * field, in order to provide a consistent approach to storing and
  * processing options.  It should never be present in a DHCP packet.
  */
-#define DHCP_EB_YIADDR DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 2 )
+#define DHCP_EB_YIADDR DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0x02 )
 
 /** "Server" IP address
  *
@@ -180,7 +180,16 @@ struct dhcp_packet;
  * field, in order to provide a consistent approach to storing and
  * processing options.  It should never be present in a DHCP packet.
  */
-#define DHCP_EB_SIADDR DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 3 )
+#define DHCP_EB_SIADDR DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0x03 )
+
+/** Keep SAN drive registered
+ *
+ * If set to a non-zero value, gPXE will not detach any SAN drive
+ * after failing to boot from it.  (This option is required in order
+ * to perform a Windows Server 2008 installation direct to an iSCSI
+ * target.)
+ */
+#define DHCP_EB_KEEP_SAN DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0x08 )
 
 /*
  * Tags in the range 0x10-0x7f are reserved for feature markers
diff --git a/src/include/gpxe/errfile.h b/src/include/gpxe/errfile.h
index 5717bc71..ca0abebf 100644
--- a/src/include/gpxe/errfile.h
+++ b/src/include/gpxe/errfile.h
@@ -155,6 +155,7 @@
 #define ERRFILE_ibft		      ( ERRFILE_OTHER | 0x000c0000 )
 #define ERRFILE_tls		      ( ERRFILE_OTHER | 0x000d0000 )
 #define ERRFILE_ifmgmt		      ( ERRFILE_OTHER | 0x000e0000 )
+#define ERRFILE_iscsiboot	      ( ERRFILE_OTHER | 0x000f0000 )
 
 /** @} */
 
diff --git a/src/include/gpxe/init.h b/src/include/gpxe/init.h
index c468213e..d2b450d7 100644
--- a/src/include/gpxe/init.h
+++ b/src/include/gpxe/init.h
@@ -28,6 +28,16 @@ struct init_fn {
 
 /** @} */
 
+/** Shutdown flags */
+enum shutdown_flags {
+	/** Shutdown is in order to exit (return to gPXE's caller) */
+	SHUTDOWN_EXIT = 0x0001,
+	/** Shutdown is in order to boot an OS */
+	SHUTDOWN_BOOT = 0x0002,
+	/** Do not remove devices */
+	SHUTDOWN_KEEP_DEVICES = 0x0004,
+};
+
 /**
  * A startup/shutdown function
  *
@@ -36,7 +46,7 @@ struct init_fn {
  */
 struct startup_fn {
 	void ( * startup ) ( void );
-	void ( * shutdown ) ( void );
+	void ( * shutdown ) ( int flags );
 };
 
 /** Declare a startup/shutdown function */
@@ -58,6 +68,6 @@ struct startup_fn {
 
 extern void initialise ( void );
 extern void startup ( void );
-extern void shutdown ( void );
+extern void shutdown ( int flags );
 
 #endif /* _GPXE_INIT_H */